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Mariana S. Olivo, Ernesto Schwarz, Gonzalo D. Veiga
Pág. 215 - 239
La Formación Quintuco (Berriasiano-Valanginiano temprano) aflorante en el centro de la provincia de
Neuquén comprende depósitos marinos, transicionales y continentales. Estos depósitos fueron incluidos en diversos trabajos
estratigráficos regionales, rec...
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Luis A. Spalletti,Ernesto Schwarz,Gonzalo D. Veiga
Pág. 401 - 435
This study presents and discusses inorganic geochemical data from the basal Vaca Muerta Formation, deposited during the early Tithonian marine transgression of the Neuquén Basin. This interval is associated with high preservation of organic matter and is...
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Luis A. Spalletti,Gonzalo D. Veiga,Juan R. Franzese
Pág. 521 - 538
The siliciclastic deposits of the Rancahué Formation (Oligocene, Aluminé Basin), formed in the eastern side of the Andean Cordillera (70ºW y 39ºS) are studied to evaluate the relationship among different depositional systems in volcanic settings and to d...
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Luis A. Spalletti,Horacio Parent,Gonzalo D. Veiga,Ernesto Schwarz
Pág. 464 - 481
This paper deals with the stratigraphy, the systematics of the ammonitefaunas and the biostratigraphy of the Cuyo Group in the Sierra de Reyes (southern Mendoza Province, Argentina). The230 m-thick marine siliciclastic succession of the Cuyo Group is com...
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Gonzalo D. Veiga,Ernesto Schwarz,Luis A. Spalletti
Pág. 171 - 197
Integration of outcrop and subsurface information. A stratigraphic, palaeoenvironmental and sequence stratigraphic analysis of the Lotena Formation (upper Callovian-lower Oxfordian) is presented for an area of 2.500 km2 in the central portion of the Neuq...
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Juan R. Franzese,Gonzalo D. Veiga,Martin Muravchik,Maria Daniela Ancheta,Leandro Delia
Pág. 49 - 62
The sierra de Chacaico (Neuquén, Argentina) is one of the most important localities to study the Upper Triassic-Lower Jurassic syn-rift sequence of the Neuquén Basin. Structural and sedimentological analyses have been carried out in order to depict the s...
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Luis A. Spalletti,Zulma Gasparini,Gonzalo Veiga,Ernesto Schwarz,Marta Fernandez,Sergio Matheos
Pág. 109 - 123
An important marine reptile-bearing locaLity from the Tithonian-Berriasian of the central Neuquén Basin (La Yesera deL Tromen, Neuquén Province, Argentina) is studied. This fauna is located in the lower portion of the Vaca Muerta Formation, which is comp...
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